diff options
Diffstat (limited to 'gcc/config/s390/s390.h')
| -rw-r--r-- | gcc/config/s390/s390.h | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/gcc/config/s390/s390.h b/gcc/config/s390/s390.h index c6ba4ff2453..8825ae224f4 100644 --- a/gcc/config/s390/s390.h +++ b/gcc/config/s390/s390.h @@ -468,19 +468,6 @@ enum reg_class { 0xffffffff, 0x0000003f }, /* ALL_REGS */ \ } -/* The following macro defines cover classes for Integrated Register - Allocator. Cover classes is a set of non-intersected register - classes covering all hard registers used for register allocation - purpose. Any move between two registers of a cover class should be - cheaper than load or store of the registers. The macro value is - array of register classes with LIM_REG_CLASSES used as the end - marker. */ - -#define IRA_COVER_CLASSES \ -{ \ - GENERAL_REGS, FP_REGS, CC_REGS, ACCESS_REGS, LIM_REG_CLASSES \ -} - /* In some case register allocation order is not enough for IRA to generate a good code. The following macro (if defined) increases cost of REGNO for a pseudo approximately by pseudo usage frequency |
